Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) have been found to contaminate much of the United States waterways, to the extent that they can be found in 99% of Americans’ blood. In this Vox documentary, we learn about the effects of these ‘forever chemicals’ and how they came to pollute so many of America’s waterways.

Find out more: How “forever chemicals” polluted America’s water

Photo by Global Water Forum Flickr


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